Ozonizer.



H. R. STUART & W. H. THOMPSON.

ozoNIzBR. APPLICATION FILED MAY 9, 1911.

Patented Apr. 3 0, 15112.

2 SHEETS-SHEET l.

4 y /NV NTORS.v

H. R. STUART & W. H. THOMPSON.

OZONIZER.

APPLICATION FILED MAY 9, 1911.

Patented A131130, 15312.

2 SHEETS-SHEET 2.

I/V/TNESSES PL. MY B AZTORNEK llbllll@ @TATE 'FATENT HRVE R. STUART, OF WILKINSBUEG, PENNSYLVAA, AND l/VELBUR H. THOMPSON,

OF SPRINGFIELD, MASSACHUSETTS, ASSIGNORS, BY DIRECT .AND MESNE ASSIGN- MENTS, T0 WESTING-HOUSE ELECTRIC AND-MANUFACTURING CGMPANY, A. CRO- RATEON 0F PENNSYLVANIA.

OZONIZER.

Speccaton of Letters Patent,

so5 rete.

To all whom 'it may concern:

Be it known that We, HARVE R. STUART and Winsen H. THOMPSON, citizens of the United States, and residents, respectively, of lWillrinsburg, in the county or" Allegheny and State of Pennsylvania, and Springiield, in the county of Hampden and State of Massachusetts, have invented a new and useful improvement in Ozonizers, of which the following is a speciication.

Our invention relates to apparatus for manufacturing ozone from air, and it has for its object to provide anozonizer which shall be effective in operation and simple and economical in construction, and shall be provided With means whereby an adjustment of the amount of ozone produced may be readily effected. t

Figure l of the accompanying drawings is view, largely in vertical section but partially in side elevation, of an ozonizer embodying our invention. F ig. 2 is a plan and sectional view of the ozonizer of Fig. l, and F 3 is a diagrammaticvievv illustrating the connections of the ozonizer.

The operating parts of the ozonizer are inclosed Within a casing comprising a top member lhaving suitably spaced apertures With screens or pieces of'netting 2 secured over them, a bottom member comprising two parts 3 and e that are secured together by means of screws 5, and a cylindrical sheet metal shell 6 extending and supported be tween a rib or` bead 7 upon the edge of the top member l and a projecting molding 8 termed integral with the edge ot the bottom member 4. The sheet metal shell '6 may be removed for inspection andrepair of the inclosed parts by removing only the bottom member and Without disturbing the other parts ot the device. Y y A Vithin the casing, and located someWha't nearer its bottom than its top7 is a partition ,fj having spaced apertures. corresponding and opposite to the apertures vin the top iember l, the said partition being clamped between, and supported by means of, nuts l0 that are threaded upon intermediate portions clamped. End supports ,le for a. handle l5 are also secured to the upper ends of the rods ll bybei-ng clamped between the nuts l2 and the top member l.Y By the abovede scribed arrangement of the parts of the frame and casino" a very simple and rigid 'construction is provided requiring but the minimum number of pieces.

Mounted upon the bottom member 3 With- 'in' thev chamber provided between the said i member and the partition 8, is a transformer 16 having primary leads 17 extending through the bottom members 3 and e of the casing and connected to a plug 18 or other terminal device that is adapted to bescretved i into an ordinary lamp socket (not shown) or to be otherwise suitably connected to .a

source ot' alternating current. The shell 6 is provided with apertures opening into the,

chamber betweenthe bottom member 3 and the partition 9, and these openings are preferably covered by pieces of screen or otherl meshed material i9, the said apertures providing inlet openings for air which is drawn into the said chamber by the connection currents set up yby the heat produced by the transformer and condensers during their operation.

The opposing top and bottom faces spectively of the partitions 9 and the top member l are provided, adjacent to the edges vot the apertures therein7 with shallow vrecesses Which form seats for the 'ends oi glass or other suitable tubular or cylindrical insulators 2O ponstituting parts of condensers. Small pieces of telt 2l, or-otller suitable cushioning*material7 are preferably interposed between the ends of the insulating tubes and 'the members l land 9. sulating tubes are provided near their ends with external lateral lianges or bosses 22 ".vith corres ondin internal recesses or de pressions, and they are surrounded between the bosses by pieces or tin :toil 23, or other The insuitable sheet metal, which constitute plates orterminals of the condensers. The iianges 22 serve to prevent longitudinal displacement of the plates 23, and also to increase the insulation bet'weeii them and the inner plates. The other plates or terminals of the condensers are located within the insulating tubes and are preferably composed of aluminum or other noncorrosive mesh or screening 24 of tubular ormhaving their ends bent outwardly into the recesses opposite the bosses or iianges 22, for the purpose of securing them in position. As thus' construeted, the condensers constitute draft tubes or iues through which air that is taken intothe lower chamber rises and passes to the exterior, and, in so doing, more or less of it passes through and comes in contact with the aluminum mesh, so that some of the oxygen contained therein may be converted into ozone by the action of the silent elec trical discharges between the condenser plates. As the inner plates of the condensers are composed of aluminum and a free circulation of air is provided in proximity to the said plates, no nitrogen or nitrous or other deleterious fumes are given oil with the ozone.

The innerplates or terminals of the condeusers are all connected to one of the secondary terminals of the transformer 16, and the outer plate of one of them is connected to the other secondary terminal of the. trans former. The latter condenser is, therefore, alwaysv included in the secondary circuit. The outer plates of the condensers are also respectively connected to stationary resilient fingers 26, 2T, 28 and 29 of a switchv 30 that comprises, further, a non-conducting rotatable cylindrical member 3l, a part of the circumferential surface of which is covered by a conducting band 32. rihe rotatable member has a. shank 33 that extends upwardly through a supporting bushing 34. thatl is secured to and depends from the top member l and upon whieh'tingers 26 to 29, inclusive, are mounted. A knob or head 35 is secured to the upper end of the shank to provide convenient meansfor actuating the movable member of the switch, and an index org pointer 3G that projects from the side of theknob and moves over a scale plate 37 vindicates the position of the switch and the number of active 'condensers It will be by 'rotating the movable 'understood that, switch member, the conducting band 32 may be caused to successively engage the resilient fingers and, thus, the condensers rendered successively act-ive. An adjustment of 4the amount ot' ozone produced' may be thereby effected.

in o rderto operate the ozonizer, it is only necessary to connect it to any suitable source of alternating current, such as an ordinary lighting circuit., by screwing the plug A,18 into a lamp socket. be moved so as to obtain the desired amount of ozone.

It will, of course, be understood that. the

transormerl may, if desired, be replaced by any other suitable device, such as an i11- duction coil and interrupter, for producing iuctuating or alternating currents of high voltage, without departing from the spirit of the invention, the term t transformer, as here used, being intendedlto include all.l

such devices.

le claim as our invention:

l, A condenser Jfor ozoniz'ers and the like comprising an insulating' tube having lat eral bosses adjacent to its ends, a conducting member supported by the tube between the bosses,and another member adjacent to the opposite face of the tube.

2. A condenser for ozonizers 'and the like comprising an insulating tube having-lat eral bosses and recesses adjacent to its ends, l

The switch, may thenV a. conductingmember supported by the tube between the bosses, and another member adjacent to the opposite face of the tube and secured in the recesses therein.

3. A condenser` for ozonizersand the like comprising an insulating tube having lateral bosses and recesses adjacent to its ends, a conducting member supported by the tube between the bosses, and Va tubular conducting mesh adjacent to the opposite face of the tube and secured in the recesses therein'.

e. An ozonizer comprising a transformer, a plurality of condensers each having one terminal connected to one secondary terminal of the transformer and one of them having its remaining terminal connected to the ing top and bottom members and a partition, the top member and the partition having apertures, and a tubular condenser disposed between the partition and the top member and having its ends registering with the apertures therein.

6. An ozonizer comprising a casing having top and bottom members and a partition, the top member andthe partition having apertures, and a tubular condenser disposed .between the partition and the 'top member and having its ends registering with the apertures therein, and a source of fluctuating electromotive force located between the partition and the bottom member and connected to the condenser.

7. A condenser for ozonizers and the like mense@ gement with said recess o? recesses. In estlmony wheeo, have hereunto noting member having a copele't-ve ena subscribed my name this @h day of May, 1911.

HARVE EL. STUART.. 'Witnesses to the signature of Herve R. Stuart: A

@TTG S. SCHMRER, B. B. HINES. En testimony whereof, have he'eunto subscribedA my neme his 8th dey of May,

WLBUR H. THOMPSON. 1Witnesses to the signature of Wilbur H. `Tnompson: y

EARLE E. HIGGINS, EDWARD KRoNmLL. 

